Finding the Third Proportional to 868,494 and 1,913,682

Step by Step Solution

1. Step 1: Write the proportion equation
   868,494 : 1,913,682 = 1,913,682 : x
2. Step 2: Convert to fraction form
   868,494/1,913,682 = 1,913,682/x
3. Step 3: Cross multiply
   868,494x = 1,913,682 × 1,913,682
4. Step 4: Simplify right side
   868,494x = 3,662,178,797,124
5. Step 5: Solve for x
   x = 3,662,178,797,124/868,494
6. Step 6: Final answer
   x = 4,216,700.17